发明名称 |
Control system and method for diversity antenna system |
摘要 |
A control system and method for controlling switching between and among multiple antennas in a diversity antenna system comprising a radio head unit associated with a radio receiver; two or more antennas, either located in separate antenna modules or co-located in the same antenna module; a switch circuit; and a single cable. Control signals for controlling switching are provided as changes in a DC power supply signal carried on the single cable. In the case of multiple antenna modules, the radio head unit and the antenna modules are connected by the single cable using a daisy-chain architecture.
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申请公布号 |
US7546146(B2) |
申请公布日期 |
2009.06.09 |
申请号 |
US20050199809 |
申请日期 |
2005.08.09 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS, INC. |
发明人 |
SIEVENPIPER DANIEL F.;HSU HUI-PIN;TALTY TIMOTHY J.;PASIECZNIK, JR. JOHN |
分类号 |
H04B7/185;H04W4/00 |
主分类号 |
H04B7/185 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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